Home / 5,715.14-8,575.38-2,020.16

Finding the Fourth Proportional to 5,715.14, 8,575.38 and 2,020.16

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Solution

The fourth proportional to 5,715.14, 8,575.38 and 2,020.16 is: 3,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.14 : 8,575.38 = 2,020.16 : x
  2. Step 2: Convert to fraction form
    5,715.14/8,575.38 = 2,020.16/x
  3. Step 3: Cross multiply
    5,715.14x = 8,575.38 × 2,020.16
  4. Step 4: Simplify right side
    5,715.14x = 17,323,639.66
  5. Step 5: Solve for x
    x = 17,323,639.66/5,715.14
  6. Step 6: Final answer
    x = 3,031.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.